* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.container {
    width: 1000px;
    height: 700px;
    margin: 10px auto;
    display: flex;
}

.left {
    width: 40%;
    height: 100%;
}

.panel {
    height: 300px;
    width: 100%;
    background: url(./images/bg.gif) no-repeat center;
    position: relative;
}

.panel img {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.panel #resultImg {
    opacity: 0;
}

.tip {
    padding: 20px 10px;
    text-align: center;
    color: rgb(117, 117, 117);
    font-size: 20px;
    line-height: 30px;
}




.right {
    width: 60%;
    height: 100%;
    display: grid;
    grid-template: repeat(20, 35px)/repeat(5, 130px);
    grid-auto-flow: column;
    font-weight: 100;
}

.right .number {
    display: inline-block;
    width: 40px;
    text-align: center;
    margin-right: 10px;
}

.right img {
    height: 30px;
    vertical-align: -10px;
}